<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>

</head>
<body>
<div id="app">
    <input type="text" v-model="info">
    <div>{{info}}</div>
</div>

<script type="text/javascript">
    var vue = new Vue({
        el: '#app',
        data: {
            info: 'python'
        }
    })
</script>


</body>
</html>
